Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/67620",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-832cfbd9-f08b-4c03-a76a-44addf47ac25",
      "cw-88df8a8c-139a-4750-950e-df76cd2f5b6f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c17af8b8-bf5f-49d7-a3bf-9c3e8da5b4db",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/67620",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-88df8a8c-139a-4750-950e-df76cd2f5b6f"
  }
}